Answer:
uses third party CAs to validate a user's identity
Explanation:
The Digital Certificate is the only means that technically and legally guarantees the identity of a person on the Internet. This is an essential requirement for institutions to offer secure services over the Internet. Further:
The digital certificate allows the electronic signature of documents The recipient of a signed document can be sure that it is the original and has not been tampered with and the author of the electronic signature cannot deny the authorship of this signature.
The digital certificate allows encryption of communications. Only the recipient of the information will be able to access its content.
The elements of a good study environment are that it must be well lit the resources are near it is quite and it is clutter free
Explanation:
A good study environment must be an environment that will promote the good study conditions and it must be quite and calm if a person studies in that environment all the resources like the food water and the other refreshments must be available in that environment
The environment must be clean and it must be clutter free without any disturbances and hence these are the factors that will promote the good study environment
Answer:
Explanation:
An Access Control Matrix ACM can be defined as a table that maps the permissions of a set of subjects to act upon a set of objects within a system. The matrix is a two-dimensional table with subjects down the columns and objects across the rows. The permissions of the subject to act upon a particular object are found in the cell that maps the subject to that object.
Summary
The rows correspond to the subject
The columns correspond to the object
What does each cell in the matrix contain? Answer: Each cell is the set of access rights for that subject to that object.